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authorGrant Likely <grant.likely@secretlab.ca>2010-01-29 05:04:33 -0700
committerGrant Likely <grant.likely@secretlab.ca>2010-02-09 08:32:42 -0700
commitfcdeb7fedf89f4bbc2e11959794968080cd8426e (patch)
treeb549ce78d381f6185d10395afdea9ce8f741fd40 /arch
parent580537140568caddbc8a727d4c2f238d38707f68 (diff)
of: merge of_attach_node() & of_detach_node()
Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/include/asm/prom.h4
-rw-r--r--arch/microblaze/kernel/prom.c59
-rw-r--r--arch/powerpc/include/asm/prom.h4
-rw-r--r--arch/powerpc/kernel/prom.c59
4 files changed, 0 insertions, 126 deletions
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 07d1063f9aa..6c6b386cf3c 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -39,10 +39,6 @@ extern struct device_node *of_chosen;
extern rwlock_t devtree_lock; /* temporary while merging */
-/* For updating the device tree at runtime */
-extern void of_attach_node(struct device_node *);
-extern void of_detach_node(struct device_node *);
-
/* Other Prototypes */
extern int early_uartlite_console(void);
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index cd158ef5b58..8171282a0b0 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -197,65 +197,6 @@ struct device_node *of_find_node_by_phandle(phandle handle)
}
EXPORT_SYMBOL(of_find_node_by_phandle);
-/*
- * Plug a device node into the tree and global list.
- */
-void of_attach_node(struct device_node *np)
-{
- unsigned long flags;
-
- write_lock_irqsave(&devtree_lock, flags);
- np->sibling = np->parent->child;
- np->allnext = allnodes;
- np->parent->child = np;
- allnodes = np;
- write_unlock_irqrestore(&devtree_lock, flags);
-}
-
-/*
- * "Unplug" a node from the device tree. The caller must hold
- * a reference to the node. The memory associated with the node
- * is not freed until its refcount goes to zero.
- */
-void of_detach_node(struct device_node *np)
-{
- struct device_node *parent;
- unsigned long flags;
-
- write_lock_irqsave(&devtree_lock, flags);
-
- parent = np->parent;
- if (!parent)
- goto out_unlock;
-
- if (allnodes == np)
- allnodes = np->allnext;
- else {
- struct device_node *prev;
- for (prev = allnodes;
- prev->allnext != np;
- prev = prev->allnext)
- ;
- prev->allnext = np->allnext;
- }
-
- if (parent->child == np)
- parent->child = np->sibling;
- else {
- struct device_node *prevsib;
- for (prevsib = np->parent->child;
- prevsib->sibling != np;
- prevsib = prevsib->sibling)
- ;
- prevsib->sibling = np->sibling;
- }
-
- of_node_set_flag(np, OF_DETACHED);
-
-out_unlock:
- write_unlock_irqrestore(&devtree_lock, flags);
-}
-
#if defined(CONFIG_DEBUG_FS) && defined(DEBUG)
static struct debugfs_blob_wrapper flat_dt_blob;
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 2ab9cbd9882..f384db815ea 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -34,10 +34,6 @@ extern struct device_node *of_chosen;
#define HAVE_ARCH_DEVTREE_FIXUPS
-/* For updating the device tree at runtime */
-extern void of_attach_node(struct device_node *);
-extern void of_detach_node(struct device_node *);
-
#ifdef CONFIG_PPC32
/*
* PCI <-> OF matching functions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 1ed2ec2ea05..f954c718d7e 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -817,65 +817,6 @@ struct device_node *of_find_next_cache_node(struct device_node *np)
return NULL;
}
-/*
- * Plug a device node into the tree and global list.
- */
-void of_attach_node(struct device_node *np)
-{
- unsigned long flags;
-
- write_lock_irqsave(&devtree_lock, flags);
- np->sibling = np->parent->child;
- np->allnext = allnodes;
- np->parent->child = np;
- allnodes = np;
- write_unlock_irqrestore(&devtree_lock, flags);
-}
-
-/*
- * "Unplug" a node from the device tree. The caller must hold
- * a reference to the node. The memory associated with the node
- * is not freed until its refcount goes to zero.
- */
-void of_detach_node(struct device_node *np)
-{
- struct device_node *parent;
- unsigned long flags;
-
- write_lock_irqsave(&devtree_lock, flags);
-
- parent = np->parent;
- if (!parent)
- goto out_unlock;
-
- if (allnodes == np)
- allnodes = np->allnext;
- else {
- struct device_node *prev;
- for (prev = allnodes;
- prev->allnext != np;
- prev = prev->allnext)
- ;
- prev->allnext = np->allnext;
- }
-
- if (parent->child == np)
- parent->child = np->sibling;
- else {
- struct device_node *prevsib;
- for (prevsib = np->parent->child;
- prevsib->sibling != np;
- prevsib = prevsib->sibling)
- ;
- prevsib->sibling = np->sibling;
- }
-
- of_node_set_flag(np, OF_DETACHED);
-
-out_unlock:
- write_unlock_irqrestore(&devtree_lock, flags);
-}
-
#ifdef CONFIG_PPC_PSERIES
/*
* Fix up the uninitialized fields in a new device node: